Questions tagged [coordinates]

{coordinates} is about using coordinates in {diagrams}.

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tcolorbox , tikzmark and distances to the borders of a tcolorbox

The last code below does a good job. Here is the output. But the API is not efficient. I would like to define my marks as in the following code. \begin{coding-python}{Basic loop Python} def oneloop(...
44 views

How to highlight a point in line graph by drawing a circle around it?

I want to highlight a point (i.e., (3, 4.8)) in the following line graph by drawing a red circle around it. However, as you can see, the circle is not drawn at the expected position. Why? And how to ...
37 views

Use coordinates of bounding box

Consider the following MWE: \documentclass{standalone} \usepackage{tikz} \usepackage{latexcolors} \usetikzlibrary{patterns} \begin{document} \begin{tikzpicture} \begin{scope}[local bounding box =...
26 views

Transform x coords, then set x limits

I'm trying to reproduce the following pyplot figure with pgfplots: import numpy as np import matplotlib.pyplot as plt x = np.linspace(0, 1) plt.plot(np.log(x)-np.log(1-x), np.log(x / (x + (1-x)))) ...
50 views

Evaluate variables for positioning multiple times

Here is a working code (I'll describe it just after) : \documentclass[border=2pt]{standalone} \usepackage[utf8]{inputenc} \usepackage{graphics} \usepackage{tikz,pgfplots} \...
70 views

Get outermost coordinates/length in a Tikz-picture

From my previous question/answer Tikz image within a defined box (& the textpos package), @frougon provided a great solution. And now, I'm seeking to have a standard scaling for all of my Tikz-...
51 views

Symbolic coordinates versus literal coordinates

I am trying to draw a yz-axis, and ontop of it, a rotated y'z'-axis for some work in mathematics. The following code \newcommand{\axislength}{2} \draw [->, -latex] (0,0) coordinate (O) node[above ...
117 views

How to color tikz mindmap nodes by y-coordinate

In a mindmap, I would like to color (most) nodes according to their y-coordinate, that is, their height on the page. For this, I am accessing the viridis colormap and sample its colors. Using code ...
52 views

How do I draw only the beginning and the end of an arrow from one node to another?

I am trying to create a node-network using pdflatex and have something very specific in mind. Below, you can find my current minimal example as a tex file that I have a problem with (compilable with ...
141 views

How to show a “node near coord” even when it is out of bounds (with clip = true)?

I have a ybar graph using the pgfplots package in which I use nodes near coords to display y values near the tops of the bars. There are some outliers in the data, for which I'd like to show a bar ...
47 views

Node-local coordinate system

This is essentially the same question as this, this or this, but in all three questions the picture that defines the new coordinates is positioned at (0, 0) of the tikzpicture. In my case it is not. ...
69 views

Tikz show the corner coordinates of a rectangle

I use the following Latex script \documentclass{article} \usepackage{tikz,xcolor} \usetikzlibrary{positioning} \begin{document} \begin{tikzpicture} \filldraw[fill=gray!40!white, draw=black] (0,0) ...
35 views

Local, relative, inner, intensive coordinate of one node

If often find myself writing: \documentclass{standalone} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture} \node (refNode) {\includegraphics[width=5em]{example-...
65 views

How to know the tikz working area coordinates in a beamer frame with header and footer?

In this example, slightly modified, the positionning of 'N' has been corrected with textheight to not be masked by the header: \documentclass[beamer]{beamerswitch} \usetheme{metropolis} \usepackage{...
25 views

Use of @ in coordinate names (Tikz)

I was writing some macros for drawing timelines in Tikz and thought that it might be good to name the internal help coordinates with an @ in it. The idea is that in this way it will not conflict with ...
45 views

Repeat nodes in tikz rectangle iteratively

So I want to fill a rectangle, like below, but without all the hassle of forlooping and getting coordinates. I want a magic command that places my symbol repeatedly inside a rectangle. Preferably ...
37 views

tikz: draw plot by given coordinates points

I'm trying to draw, in a T=f(x) plane graphic, a curve passing through four points whose coordinates have been obtained experimentally. The x axis range is 0 to 0.5, the y axis range is 0 to 80. This ...
141 views

Coordinate position not precise

\documentclass{standalone} \usepackage{tikz} \usetikzlibrary{calc,intersections} \usepackage{amsmath} \begin{document} \begin{tikzpicture}[scale=0.5] \draw[<->] (0,12) node[above]{$w$} |- (12,...
115 views

How to declare a custom coordinate

I have created this sample diagram, where everything is aligned with the inputs of the first and gate. Would it be possible to replace these ([xshift=-15mm]bothNegated.bin 1) with a custom expression ...
91 views

How to align coordinates vertically and horizontally in TikZ

I have points with irrational coordinates, because I'm mixing polar and Cartesian coordinates. I'd like to specify a coordinate as the x-value of one thing and the y-value of another thing. In this ...
50 views

tikz-3dplot accumulates the transformation every time let operator is used

In follow up to my previous question, I now have the following problem with the tikz-3dplot library. Every time I use the "let" operator, the transformation matrix seems to act again on the coordinate ...
62 views

tikz-3dplot causes problems to let operator

I am trying to use the 3d-plot library. The plan is to define some basic 2d coordinates at the beginning and then use them to define all kind of 3d points, using the "let" operator: \documentclass{...
46 views

how to use date coordinates in non-date coordinate context?

How can I specify the x coordinates in the \draw and \node commands below using dates (e.g., 2019-03-28 instead of 5.2)? Thanks. \documentclass{article} \usepackage{pgfplots} \usepackage{tikz} \...
103 views

How to align eso-pic & tikz coordinates

I have a grid on my beamer slides generated by: \usepackage[texcoord,grid,gridunit=mm,gridcolor=black!30,subgridcolor=gray!10]{eso-pic} I'd like to draw a rectangle in tikz with: \draw [textpos,...
282 views

TikZ specifying barycentric coordinates using just lists of numbers

Here's what I currently have to type: \documentclass{standalone} \usepackage{tikz} \begin{document} \begin{tikzpicture} \coordinate (a) at (90:3cm); \coordinate (b) at (210:3cm); \coordinate (...
51 views

Coordinate problem with \tikzset

When using \tikzset the coordinates there are not working as I expected. Why does the red line not start inside the rectangle? I tried "\tikz \pic at (1,1) {mypic};" instead which does not seem to ...
167 views

TikZ: Coordinate on shape vertices

I know that I can draw a rectangle with tikz using \draw (0.0,0.0) rectangle (1.0,1.0);. Is there a possibility to determine all 4 edge coordinates directly from the shape? I do can save the lower ...
86 views

Tikz with standalone: pinning tikz coordinates to page cm

I've got something like the following: \documentclass[tikz]{standalone}% Does not support leap years. \usepackage{tikz} \usepackage[paperwidth=12cm, paperheight=25cm, margin=0cm]{geometry} \...
30 views

X ticks different from coordinates in pgfplots

I have the following problem creating an histogram with pgfplots. I am quite a beginner, so there could be some clear mistakes. When I compile this: \begin{tikzpicture} \begin{axis}[ xtick={-0.0003, -...
64 views

Extract specific pixel locations from latex generated pdf

Does anyone know how or which commands should i issue from within a .tex file so that the tex compiler would generate a descriptor file pointing metadata of the generated PDF (such as pixel locations ...
74 views

Coordinates of an Intersection, outside of the axis-environment

I would like to access the x- and y-Coordinate of an intersection, outside of the axis environment. This is what I believed would solve my problem, based on this and this: \documentclass{article} \...
24 views

Why arrow decoration position can not coincide with coordination point?

I was trying to add arrow decoration to a curve in a three dimensional plot like following % !TEX TS-program = xelatex \documentclass[UTF8]{article} \usepackage{float} \usepackage{amssymb} \...
114 views

Visually labelling coordinates in tikz

Sometime it is very useful to be able to see where the \coordinates that you are defining really are in a diagram. I am using what I think it's an hack to do it, defining a command and then change the ...
267 views

Edge coordinates of a regular polygon shaped node

I want to have two inverse triangle side by side. In between, there shall be horizontal arrows in between. Which coordinates do I have to specify in order to address the edges of the shape instead of ...
286 views

Combining calc and perpendicular coordinates in tikz

As it is described there, the following does not compile: \documentclass{report} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture} \node at (0, 0) (node1) {Hello}; \node ...
344 views

Tikz coordinates relative to one node

Using both calc and |- would be a convenient way to refer to "inner, relative coordinates" of a node, with (0, 0) meaning node.center, (0, 1) meaning node.east and (.3, -.5) meaning somewhere precise ...
58 views

Prevent tikz node intersection

I'm making a macro to generate a tikzpicture depending on the arguments passed into the macro. I want to be able to draw a \node only if it won't intersect with a specified x coordinate. So say my ...
372 views

how to draw the angle bisector of a triangle

\documentclass{book} \usepackage{tikz,amsmath,amssymb,tkz-euclide} \usetkzobj{all} \usepackage{color} \usetikzlibrary{positioning}% To get more advances positioning options \usetikzlibrary{...
232 views

Define coordinate with anchor point

I have macros that use anchor points in pgfplots to access certain coordinate. For instance, in a graph I can invoke a macro such as: \newcommand*{\DoSomethingWithXAxis}{% \draw [ultra thick, blue]...
66 views

How can I add third point in plot?

This question is about the answer of @TorbjørnT. in Math Error: The function 'f' already exists. How can I add the third point, which has x coordinate as the mean of first two points and y ...
511 views

Draw a Line Between Two Points described by Trigonometric Calculations

Suppose I have two points the unit circle corresponding to 30 and 60 degrees from the x-axis. I want to draw a line between these two points. \documentclass[border=5mm]{standalone} \usepackage{tikz}...
168 views

Rectangle parallel to a radial direction

I wanted to draw a rectangle parallel to a radial direction and I achieved this, but I would like to know if there is a more elegant way to do it. Here is my MWE: \documentclass[border = 0.5cm]{...
241 views

Tikz: display coordinate of node using let command

I am creating a graph where a node is placed. I would like to display the coordinates of that node on the axes without manually entering them. I get Tikz to retrieve those coordinates using let but ...
108 views

Can't move starting point of rectangle [closed]

I want to draw a rectangle which starts in these coordinates: from northwest(3,0) to southeast(4,-2). Here is the code: \documentclass[11pt,a4paper,oneside]{article} \usepackage{amsmath} \usepackage{...
121 views

How to move the origin or mirror the coordinate system?

Consider the following MWE \documentclass{scrartcl} \usepackage{pgfplotstable} \pgfplotsset{compat=newest} \begin{document} \begin{tikzpicture} \begin{axis} \addplot table [ ...
108 views

Is it possible to change the direction of axis in pgfplots?

Is it possible to change the direction of one (or both) axis? I could achieve the visual result by using tikz and compute the coordinate by myself but this is obviously too long for a complex picture....
621 views

Draw rectangle on absolute coordinates

I want to draw some rectangles on my pages. For example a rectangle will be drawn Start from top 5cm, left 4 cm End in 3 cm from right, 2.5 cm from bottom I tried tikzpicture package, but it draw ...
136 views

Coordinates computation with tkz-euclide

In tkz-euclide, I want to draw a point with computed coordinates, like in TikZ. However I get a difficult to understand error of syntax which results in a wrong placement. The following MWE shows ...